Note 6 - Retirement and Other Benefit Plans - Projected and Accumulated Benefit Obligation in Excess of Plan Assets (Details) - Supplemental Employee Retirement Plan [Member] - USD ($) $ in Thousands	Feb. 01, 2020	Feb. 02, 2019
Projected benefit obligation	$ 10,766	$ 8,565
Projected benefit obligation	10,766	8,565
Accumulated benefit obligation	9,516	7,291
Accumulated benefit obligation	9,516	7,291
Fair value of plan assets	0	0
Fair value of plan assets	$ 0	$ 0

Amount of accumulated benefit obligation for defined benefit pension plan with projected benefit obligation in excess of plan assets.

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- Definition

Amount of plan asset for defined benefit pension plan with projected benefit obligation in excess of plan assets.

+ References

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- Definition

Amount of projected benefit obligation for defined benefit pension plan with projected benefit obligation in excess of plan assets.

+ References

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- Definition

Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2417-114920

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-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
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Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
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- Definition

Amount of projected benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 3
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-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2417-114920

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